Kallel; Allen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kallel; Allen.The latest application filed is for "valve construction".
- Kallel; Allen - Santa Ana CA
| Patent | Date |
|---|---|
| Valve Construction Grant 3,870,275 - Kallel March 11, 1 | 1975-03-11 |
| Remotely Controlled Ventilation Valve Grant 3,780,980 - Kallel December 25, 1 | 1973-12-25 |
| Air Valve With Fan Actuator Grant 3,690,244 - Kallel , et al. September 12, 1 | 1972-09-12 |
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